Fair Value Measurements (Tables)

12 Months Ended

Jan. 31, 2023

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis

The following table summarizes information about our cash, cash equivalents, and investments by investment category (in thousands):

	As of January 31, 2023
	Fair Value Level	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
Assets
Cash and cash equivalents:
Cash		$	35,055	$	—	$	—	$	35,055
Money market funds	Level 1	102,886		—		—		102,886
Total cash and cash equivalents		$	137,941	$	—	$	—	$	137,941
Short-term investments:
U.S. Treasury securities	Level 1	$	144,392	$	1	$	(501)	$	143,892
Commercial paper	Level 2	230,305		30		(667)		229,668
Corporate notes and bonds	Level 2	38,443		15		(148)		38,310
U.S. agency securities	Level 2	74,060		3		(349)		73,714
Total short-term investments		$	487,200	$	49	$	(1,665)	$	485,584
Long-term investments:
U.S. Treasury securities	Level 1	$	192,337	$	—	$	(2,460)	$	189,877
Corporate notes and bonds	Level 2	233,946		178		(2,029)		232,095
U.S. agency securities	Level 2	101,844		27		(921)		100,950
Total long-term investments		$	528,127	$	205	$	(5,410)	$	522,922
Total assets measured at fair value		$	1,153,268	$	254	$	(7,075)	$	1,146,447

The table above does not include the Company’s strategic investments in non-marketable debt and equity securities, which are classified as level 3 investments and were $12.5 million as of January 31, 2023.

The following table summarizes the respective fair value and the classification by level within the fair value hierarchy (in thousands):

	As of January 31, 2022
	Level 1		Level 2		Level 3		Total
Assets
Cash equivalents:
Money market funds	$	1,641,642	$	—	$	—	$	1,641,642
Short-term investments:
Certificates of deposit	—		374		—		374
Total assets measured and recorded at fair value	$	1,641,642	$	374	$	—	$	1,642,016